2.Microprocessor technology: electromagnetic waves produced by a microcomputer control circuit, scan rate can be precisely controlled scans. Set according to the needs of the control panel, make sure to set sensitivity with flexibility, reliabi lity and stability.

3.Sound and light alarm: 3 options for adjustable volume alarm sound: high, low, or no voice, adapted to the use of different occasions.

4.Adjustable sensitivity for each zones: Each zone has 100 sensitivity level (0 to 99). Preset the size of the metal objects, can be avoid the false alarms such as coins, buttons, jewelry, belt buckles etc.